If the roof is steep add a half a cup of liquid laundry detergent.
Pool shock on roof shingles for moss.
It s always a good idea to run it the total length of the roof why not you re up there anyway.
In the large tank or container mix the pool shock liquid with equal amounts of fresh water.
Why not clean my roof with bleach.
You can use a roofing tar and a few nails about every 32 inches apart.
It is pretty cheap and easy to buy almost anywhere.
The use of pool shock comes in certain stages.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Moss can seriously impact asphalt shingle performance by causing them to curl up and blow off eventually resulting in leaks.
The best way add some liquid dish soap to the mix to help the sh stick to the roof for more than one second.
This is just a heavy duty version of household bleach.
Powdered pool shock is generically called calcium hypochlorite.
Making sure the flashing lays as flat as it can.
Shocking the pool implies that pool shock gets applied to counter any foreign growth like algae moss like granular particles and more.
Lots of moisture and not a lot of sun will cause moss to grow.
Hose off and brush all moss loose from your roof shingles.
And no walmart does not sell this or the big box stores.
It also will not leave salt behind when it evaporates as sodium hypochlorite will so it is safer for no rinse roof cleanings gutters or not.
The main objective of the pool shock is to get rid of chloramine corruption.
Moss starts as a thin green layer on and between shingles but then it proceeds to lift those shingles up as it grows allowing water to seep underneath.
While algae doesn t actually harm your roof it can impact its aesthetic appeal.
Moss and algae spores are carried by the wind or animals from rooftop to rooftop which is why entire neighborhoods are often affected.
Step 3 apply the cleaning solution to the roof this step requires special attention to safety because the roof shingles can become very slippery.
I use 10 sodium hypochlorite pool shock mixed with 2 gal of water and tsp substitute 8 oz.
Pool shock reduces and eliminates the growth of algae and bacteria.
You can go into any pool supply and ask for a gallon of shock for about 4 00 per gallon.